Well-measuring apparatus



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2 SHEETS'SHEET I R. C. MASON Wag. MEASURING APPARATUS} F'l LED OCT 201921 INVENTOR 4H, 612142245012,

WIT/VESSE ATTORNEYS Patented D... 26, 1922.

UNI ED. STATES RICHARD COLBERT MASON, or TULSA, OKLAHOMA.

WELL-MEASURING APPARATUS.

Application filed October 20, 1921. Serial No. 508,919.

To all whom it may concern."

MASON, a citizen of the United States, and

a resident of Tulsa, inthe county of Tulsa and State of Oklahoma, haveinvented certain new and useful Improvements in Vell- MeasuringApparatus, of which the following is a specification.

The present invention relates to an improvement in well measuringapparatus of the type embodying driving wheels coacting with the cableor sand l1ne to accurately measure the depth of the well.

The object of the invention is to provide an apparatus of this characterin which the cable and driving wheels are positively constrained tocorresponding motion, the cable being held at all times in drivingengagement with the driving wheels and the dIlV- ing wheels beinggoverned to preclude their overrunning the cable. y

Another important object is to provide an apparatus of this characterwhich may be readily andjconveniently arranged on the well casing inoperative engagement with the cable and as readily disassociatedtherefrom when no longer needed.

Other objects and advantages of the invention reslde in certain novelfeatures of construction, combination and arrangement of parts whichwill be hereinafter more fully described and particularlypointed out int to the accompanying drawings forming part of this specification, andin which:

Figure 1 isa perspective view, illustrating the preferred embodiment, ofthe invention in operation;

Figure 2-is a view in side elevation parts being removed and parts beingshown in section for the sake of illustration; and

Figure 3 is a sectional view on line 33 of Figure 2.

Referring to the drawings wherein for the sake of illustration is shownthe preferred embodiment of the invention, W designates the wellcasing-into which the cable or sand line C is extended and upon whichthe well measuring apparatus constituting the present invention andindicated generally at M is mounted.

The well measurin apparatus comprises a main frame 10 pre erablyconstructed of metal and including sides 11 and 12 having reinforcingwebs 13 and 14 respectively, and a bottom 15 and a top 16, both ofrelatively e appendedclaims, reference being had heavy construction, asclearly shown in F igure 1. The side 11 consists of a straight piece ofmetal curved at its ends into the top and bottom, and the side 12consists of two half sect-ions designated at 12 and 12 'angu1arlyarranged with respect to each other. The bottom 15 and top 16 areprovided with U-shaped openings 17 and'18, respectively which are alinedand accommodate the cable C in the operation of the ap aratus.

pair of bars 19 and 20 are provided, the bar 19 being arranged in seats21 provided therefor on one side of the frame 10 and the bar 20 beingarranged in seats 22 provided therefor on the opposite side of theframe, the bars 19 and 20 being parallel and opposite and extendinglongitudinally of the main frame. Bolts and nuts 23 extend through thebars and the frame to secure the bars in position.

Driving wheels 25, 26 and 27 are arrange between the side bars 19 and 20and are fixed on axles 28, 29 and 30 rotatably journaled in these bars.The driving wheels 25 and 27 arecut away to provide lightened wheelstructures and comprise relatively thin and is relatively heavy toenable it to function as a governor.

Pinions 31, 32 and .33 are fixed on the axles 28, 29 and 30,respectively, and intermediate gears 34 and 35 coact with the pinions toconstrain all of the driving wheels to corresponding motion, theintermediate gear 34 meshing with pinions 31 and 32 and the intermediategear 35 meshing with pinions 32 and 33. The intermediate gears 34 and 35are j ournaled respectively on short shafts 36 and 37 carried by theside bars.

A te-nsioning device coacts with the driving wheels and includes a screwshaft 40 engaged in a threaded bearing 41 provided in the side 12 of themain frame. At its outer end the screw shaft 40 carries a hand wheel 43and a tension block 44 is associated with the inner end of the screwshaft by means of a swiveled connection 45. Adjacent the swiveledconnection 45 the block 44 opposite end, the brass cup having a recessv45 therein which engages the ball of the swiveled connection, as shownin Figures 2 and 3. At its ends the tension block is bifurcatedtoreceive tension rollers Ai'rotatably mounted on pintles 47 carried bythe bifur cated portions of the tension block. The tensions are providedwith peripheral grooves 47 to receive the cable A register 50 isprovided and is carried on a reversible bracket 51 consisting of an.

angular plate including a section 52 having spaced slots 53 and 54adapted to receive either threaded studs 55 or threaded studs 56accordingly as the well is being measured so the 'cable is fed into orwithdrawn from the well. In either event wing nuts 57 are threaded onthe studs and engage the bracket to clamp it in position. The operatingshaft of the register is connected to the axle of the center drivingwheel by a releasable coupling 58, as shown in Figure 1.

In operation the well measuring apparatus is positioned on the wellcasing, as shown in Figure 1, wit-h the driving wheels and thetensioning rollers engaging the cable or sand line. The length of thesand line and consequently the depth of the well is thus accuratelymeasured since the driving wheels are firmly and positively engaged withthe sand line and moved at all times in absolute correspondencetherewith. The tensioning device may be readily adjusted to meetthevarying conditions and prevent the cable from slipping pastthedriving wheels and the relatively heavy center driving wheel functionsas a governor and prevents the driving wheelsfrom overrunning the cable.

The register takes its motion from the center driving wheel in eitherposition of the frame.

It is obvious that within the scope of the present invention the drivingwheels as well as the rollers of the follower of the tensioning devicemay be constructed with or without flanges and present either a smoothsurface or awgrooved surface asdesired.

I claim:

1. In a well measuring apparatus, a frame including a straight side, aside consisting of angularly extendlng sections, and a top and a bottomhaving U-shaped slots adapted 'to receive the sand line, a pair of barscarried by said top and bottom, axles rotatably journaled in said bars,driving wheels fixed to the axles and adapted to engage the sand line,the center driving wheel being a solid stock and heavy to act as agovernor, gearing constraining said driving wheels to correspondingmotion, a second pair of bars carried by the top and bottom of saidframe and constituting guides, a tensioning device coacting with thedriving wheels and includ ing a threaded bearing formed between theangularly extending sections of said side, a screw shaft engaged in saidthreaded bearing, a hand wheel on one end of said shaft, a tension blockoperating between said guides, a swiveled connection between said shaftand said block and grooved tensioned rollers carried by said tensionblock, pairs of threaded studs carried by the frame, a reversiblebracket selectively cooperable with the pairs of studs, and a registercarried by the pairs of brackets and driven from the center drivingwheel in either position of the bracket.

2. In a well measuringapparatus, a frame including a straight side, aside consisting of angularly extending sections and a top and a bottomhaving U-shaped slots, a pair of bars carried by said top and bottom,axles rotatably journaled in said bars, driving wheels fixed to theaxles, gearing constraining said driving wheels to corresponding motion,and a tensioning device coacting with said driving wheels.

3. In a well measuring apparatus,a frame, driving wheels carried by theframe, the upper and lower driving wheels being cut away and lightenedand the center driving wheel being a. solid stock and heavy to act as agovernor and a tensioning device coacting with said driving wheels.

4. In a well measuring apparatus,a frame, driving wheels carried by theframe, a tension device coacting with the driving wheels, pairs ofthreaded studscarried by the frame, and a reversible bracket adapted tocarry a register and selectively cooperable with either one of the pairsof studs.

